Mix together the cake mix, oil, milk, and eggs and beat for 1-2 minutes. Spoon into a plastic bag and cut one corner off.
Spray the mini donut pan with Baker’s Joy and fill each cavity half full. Do not over fill. Bake at 350°F for 6 minutes. Remove and let cool in the pan for 3-4 minutes before removing gently. Cool completely on a wire rack.
Remove the foil lid from the frosting and microwave for 45 seconds. Stir and pour into a bowl. Dip the tops of the donuts in the frosting. Sprinkle with candy cane pieces and let set. Store in a very loosely sealed container. Makes 4-dozen mini donuts.
Optional: Use a large donut pan. Bake for 12 minutes. Makes 18-20 large donuts.